source: branches/HeuristicLab.Hive-3.4/sources/HeuristicLab.Clients.Hive/3.4/ServiceLocator.cs @ 5591

#region License Information
/* HeuristicLab
 * Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
 *
 * This file is part of HeuristicLab.
 *
 * HeuristicLab is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * HeuristicLab is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
 */
#endregion

using System;
using System.ServiceModel;
using HeuristicLab.Clients.Common;
using HeuristicLab.Services.Hive.Common.ServiceContracts;

namespace HeuristicLab.Clients.Hive {
  public class ServiceLocator : IServiceLocator {
    private static IServiceLocator instance = null;
    public static IServiceLocator Instance {
      get {
        if (instance == null) {
          instance = new ServiceLocator();
        }
        return instance;
      }
      set {
        instance = value;
      }
    }

    private string username;
    public string Username {
      get { return username; }
      set { username = value; }
    }

    private string password;
    public string Password {
      get { return password; }
      set { password = value; }
    }
    
    public Disposable<ChannelFactory<IHiveService>> GetService() {
      if (string.IsNullOrEmpty(username) && string.IsNullOrEmpty(password)) {
        return ClientFactory.CreateChannelFactory<IHiveService>("wsHttpBinding_IHiveService");
      } else {
        return ClientFactory.CreateChannelFactory<IHiveService>("wsHttpBinding_IHiveService", null, username, password);
      }
    }

    public void CallHiveService(Action<IHiveService> call) {
      using (var channelFactory = this.GetService()) {
        var service = channelFactory.Obj.CreateChannel();
        call(service);
      } // disposing the channelfactory is done by the disposable object; the channel gets disposed when the channelfactory is disposed
    }

    private T CallHiveService<T>(Func<IHiveService, T> call) {
      using (var channelFactory = this.GetService()) {
        var service = channelFactory.Obj.CreateChannel();
        return call(service);
      } // disposing the channelfactory is done by the disposable object; the channel gets disposed when the channelfactory is disposed
    }

    T IServiceLocator.CallHiveService<T>(Func<IHiveService, T> call) {
      return CallHiveService<T>(call);
    }
  }
}